Tiltill Valley is a remote valley in northern

Yosemite National Park Yosemite National Park ( ) is an American national park in California, surrounded on the southeast by Sierra National Forest and on the northwest by Stanislaus National Forest. The park is managed by the National Park Service and covers an ar ...

. It is accessible only to hikers and equestrians. The valley is most easily reached via trail heads in the vicinity of the

Hetch Hetchy Valley Hetch Hetchy is a valley, a reservoir, and a water system in California in the United States. The glacial Hetch Hetchy Valley lies in the northwestern part of Yosemite National Park and is drained by the Tuolumne River. For thousands of years bef ...

and Lake Eleanor. The valley provides access to many remote alpine lakes throughout the largely untamed wilderness that defines the northern portion of Yosemite National Park and the adjacent

Emigrant Wilderness The Emigrant Wilderness of Stanislaus National Forest is a wilderness area in the Sierra Nevada. It is bordered by Yosemite National Park on the south, the Toiyabe National Forest and the Hoover Wilderness on the east, and State Route 108 ...

References

Landforms of Yosemite National Park Valleys of Tuolumne County, California Valleys of California {{US-NationalParkService-stub